A solution of KIO3 is prepare using 2.14
grams of the compound dissolved in 100ml of water. 20.00mL or the
prepared solution was standardized using 42.75 mL of 0.1 M
Na2S2O3 in acidic medium with
starch as its indicator until the pale yellow endpoint.
I2 +
2S2O32- ⇔
2I- +
S4O6 2-
The std KIO3 sample was used to determine the % ascorbic
acid in a 500mg Vit C tablet.
KIO3 + 5KI +
6H+ → 3I2 + 6K+ +
3H2O
C6H8O6 +
I2 → C6H6O6 +
2I- + 2H+
A solution of KIO3 is prepare using 2.14 grams of the compound dissolved in 100ml of water. 20.00mL or the prepared sol
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A solution of KIO3 is prepare using 2.14 grams of the compound dissolved in 100ml of water. 20.00mL or the prepared sol
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